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Which outcome occurs when surpassing rated turbine blade temperature?

A)Creep deformation reduces turbine efficiency
B)Reduced NOx exhaust production rates
C)Improved compressor blade fatigue lifespan
D)Increased gas density entering the engine

💡 Explanation

Creep deformation occurs because exceeding rated temperatures causes atomic diffusion along grain boundaries through Coble creep, therefore permanently deforming the blades, rather than affecting emissions or gas densities because metallurgical failure dominates.

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